IT1075845B - METHOD FOR PREPARING A HIGHLY DISPERSED SUPPORTED NICKEL CATALYST - Google Patents

METHOD FOR PREPARING A HIGHLY DISPERSED SUPPORTED NICKEL CATALYST

Info

Publication number
IT1075845B
IT1075845B IT23396/77A IT2339677A IT1075845B IT 1075845 B IT1075845 B IT 1075845B IT 23396/77 A IT23396/77 A IT 23396/77A IT 2339677 A IT2339677 A IT 2339677A IT 1075845 B IT1075845 B IT 1075845B
Authority
IT
Italy
Prior art keywords
preparing
nickel catalyst
highly dispersed
supported nickel
dispersed supported
Prior art date
Application number
IT23396/77A
Other languages
Italian (it)
Original Assignee
Exxon Research Engineering Co
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Exxon Research Engineering Co filed Critical Exxon Research Engineering Co
Application granted granted Critical
Publication of IT1075845B publication Critical patent/IT1075845B/en

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C4/00—Preparation of hydrocarbons from hydrocarbons containing a larger number of carbon atoms
    • C07C4/08—Preparation of hydrocarbons from hydrocarbons containing a larger number of carbon atoms by splitting-off an aliphatic or cycloaliphatic part from the molecule
    • C07C4/10—Preparation of hydrocarbons from hydrocarbons containing a larger number of carbon atoms by splitting-off an aliphatic or cycloaliphatic part from the molecule from acyclic hydrocarbons
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J23/00—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00
    • B01J23/70—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of the iron group metals or copper
    • B01J23/74—Iron group metals
    • B01J23/755—Nickel
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J35/00—Catalysts, in general, characterised by their form or physical properties
    • B01J35/30—Catalysts, in general, characterised by their form or physical properties characterised by their physical properties
    • B01J35/391—Physical properties of the active metal ingredient
    • B01J35/393—Metal or metal oxide crystallite size
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C5/00—Preparation of hydrocarbons from hydrocarbons containing the same number of carbon atoms
    • C07C5/02—Preparation of hydrocarbons from hydrocarbons containing the same number of carbon atoms by hydrogenation
    • C07C5/10—Preparation of hydrocarbons from hydrocarbons containing the same number of carbon atoms by hydrogenation of aromatic six-membered rings
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J2235/00—Indexing scheme associated with group B01J35/00, related to the analysis techniques used to determine the catalysts form or properties
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J35/00—Catalysts, in general, characterised by their form or physical properties
    • B01J35/30—Catalysts, in general, characterised by their form or physical properties characterised by their physical properties
    • B01J35/391—Physical properties of the active metal ingredient
    • B01J35/392—Metal surface area
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J35/00—Catalysts, in general, characterised by their form or physical properties
    • B01J35/30—Catalysts, in general, characterised by their form or physical properties characterised by their physical properties
    • B01J35/391—Physical properties of the active metal ingredient
    • B01J35/394—Metal dispersion value, e.g. percentage or fraction
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J37/00—Processes, in general, for preparing catalysts; Processes, in general, for activation of catalysts
    • B01J37/02—Impregnation, coating or precipitation
    • B01J37/0201—Impregnation
    • B01J37/0203—Impregnation the impregnation liquid containing organic compounds
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C2521/00—Catalysts comprising the elements, oxides or hydroxides of magnesium, boron, aluminium, carbon, silicon, titanium, zirconium or hafnium
    • C07C2521/02—Boron or aluminium; Oxides or hydroxides thereof
    • C07C2521/04—Alumina
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C2521/00—Catalysts comprising the elements, oxides or hydroxides of magnesium, boron, aluminium, carbon, silicon, titanium, zirconium or hafnium
    • C07C2521/06—Silicon, titanium, zirconium or hafnium; Oxides or hydroxides thereof
    • C07C2521/08—Silica
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C2523/00—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group C07C2521/00
    • C07C2523/70—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group C07C2521/00 of the iron group metals or copper
    • C07C2523/74—Iron group metals
    • C07C2523/755—Nickel
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C2601/00—Systems containing only non-condensed rings
    • C07C2601/12—Systems containing only non-condensed rings with a six-membered ring
    • C07C2601/14—The ring being saturated
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S502/00—Catalyst, solid sorbent, or support therefor: product or process of making
    • Y10S502/506—Method of making inorganic composition utilizing organic compound, except formic, acetic, or oxalic acid or salt thereof
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S502/00—Catalyst, solid sorbent, or support therefor: product or process of making
    • Y10S502/506—Method of making inorganic composition utilizing organic compound, except formic, acetic, or oxalic acid or salt thereof
    • Y10S502/509—Nitrogen containing organic compound
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S502/00—Catalyst, solid sorbent, or support therefor: product or process of making
    • Y10S502/506—Method of making inorganic composition utilizing organic compound, except formic, acetic, or oxalic acid or salt thereof
    • Y10S502/513—Alcohol, phenol, or ether or metallate thereof

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Materials Engineering (AREA)
  • General Chemical & Material Sciences (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Catalysts (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Production Of Liquid Hydrocarbon Mixture For Refining Petroleum (AREA)
  • Low-Molecular Organic Synthesis Reactions Using Catalysts (AREA)
IT23396/77A 1976-05-20 1977-05-10 METHOD FOR PREPARING A HIGHLY DISPERSED SUPPORTED NICKEL CATALYST IT1075845B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US05/688,154 US4073750A (en) 1976-05-20 1976-05-20 Method for preparing a highly dispersed supported nickel catalyst

Publications (1)

Publication Number Publication Date
IT1075845B true IT1075845B (en) 1985-04-22

Family

ID=24763325

Family Applications (1)

Application Number Title Priority Date Filing Date
IT23396/77A IT1075845B (en) 1976-05-20 1977-05-10 METHOD FOR PREPARING A HIGHLY DISPERSED SUPPORTED NICKEL CATALYST

Country Status (8)

Country Link
US (2) US4073750A (en)
JP (1) JPS52142689A (en)
CA (1) CA1087598A (en)
DE (1) DE2719932A1 (en)
FR (1) FR2351701A1 (en)
GB (1) GB1578773A (en)
IT (1) IT1075845B (en)
NL (1) NL7705511A (en)

Families Citing this family (55)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
LU76591A1 (en) * 1977-01-18 1978-09-13
CA1132966A (en) * 1979-12-12 1982-10-05 John Torok Supported nickel catalysts and process for their preparation
US4340503A (en) * 1980-08-15 1982-07-20 The United States Of America As Represented By The United States Department Of Energy Catalyst for converting synthesis gas to light olefins
US4670414A (en) * 1981-10-13 1987-06-02 Kobylinski Thaddeus P Activated cobalt catalyst and synthesis gas conversion using same
US4605679A (en) * 1981-10-13 1986-08-12 Chevron Research Company Activated cobalt catalyst and synthesis gas conversion using same
US4493905A (en) * 1981-10-13 1985-01-15 Gulf Research & Development Company Fluid bed catalyst for synthesis gas conversion and utilization thereof for preparation of diesel fuel
US4613624A (en) * 1981-10-13 1986-09-23 Chevron Research Company Conversion of synthesis gas to diesel fuel and catalyst therefor
US4605676A (en) * 1981-10-13 1986-08-12 Chevron Research Company Synthesis gas conversion using ROR-activated catalyst
US4413064A (en) * 1981-10-13 1983-11-01 Gulf Research & Development Company Fluid bed catalyst for synthesis gas conversion and utilization thereof for preparation of diesel fuel
US4414140A (en) * 1981-12-23 1983-11-08 United Technologies Corporation Catalyst for steam reforming
NL8201696A (en) * 1982-04-23 1983-11-16 Unilever Nv METHOD FOR PREPARING METHANATION CATALYSTS
NL191511C (en) * 1983-01-20 1995-08-21 Unilever Nv Process for the preparation of a nickel-containing catalyst.
US4604189A (en) * 1984-12-24 1986-08-05 Mobil Oil Corporation Hydrocracking of heavy feeds with dispersed dual function catalyst
US4713363A (en) * 1984-12-27 1987-12-15 The Dow Chemical Company High surface area supported noble metal catalysts and process for their preparation
US4717702A (en) * 1985-04-26 1988-01-05 Shell Internationale Research Maatschappij Bv Catalyst for conversion of synthesis gas to diesel fuel and process for preparation of such catalyst
US4629767A (en) * 1985-07-12 1986-12-16 Phillips Petroleum Co. Hydrogenation process and catalyst
US4916108A (en) * 1988-08-25 1990-04-10 Westinghouse Electric Corp. Catalyst preparation using supercritical solvent
DE4142897A1 (en) * 1991-12-23 1993-06-24 Sued Chemie Ag CATALYST SHAPED BODY
DK174087B1 (en) * 1993-08-27 2002-06-03 Topsoe Haldor As Process for steam reforming nitrogen-containing hydrocarbons with reduced ammonia formation
US5752995A (en) * 1994-06-30 1998-05-19 Kang; Chia-Chen Chu Catalyst and process for the production of hydrogen and/or methane
US5935889A (en) * 1996-10-04 1999-08-10 Abb Lummus Global Inc. Catalyst and method of preparation
DE19909176A1 (en) * 1999-03-03 2000-09-07 Kataleuna Gmbh Catalysts Hydrogenation catalyst and process for its manufacture
DE10124600A1 (en) * 2001-05-21 2002-11-28 Basf Ag Production of supported nickel catalyst, useful for hydrogenation of nitroaromatic compound, involves co-precipitating nickel and at least one other metal on titania support
US6762324B2 (en) * 2002-05-01 2004-07-13 Air Products And Chemicals, Inc. Metal modified Pd/Ni catalysts
US20040063576A1 (en) * 2002-09-30 2004-04-01 Sud-Chemie Inc. Catalyst adsorbent for removal of sulfur compounds for fuel cells
JP4316323B2 (en) * 2002-10-04 2009-08-19 独立行政法人石油天然ガス・金属鉱物資源機構 Hydrocarbon reforming catalyst and method for producing the same
GB0227081D0 (en) 2002-11-20 2002-12-24 Exxonmobil Res & Eng Co Methods for preparing catalysts
GB0227086D0 (en) * 2002-11-20 2002-12-24 Exxonmobil Res & Eng Co Hydrogenation processes
US7351328B2 (en) * 2003-07-23 2008-04-01 China Petroleum & Chemical Corporation Desulfurization and novel process for same
US7381683B1 (en) * 2004-10-28 2008-06-03 Nanostellar, Inc. Method of producing multi-component catalysts
US7381682B1 (en) * 2004-10-28 2008-06-03 Nanostellar, Inc. Method for producing heterogeneous catalysts containing metal nanoparticles
KR101015036B1 (en) * 2005-06-24 2011-02-16 아이다호 리서치 파운데이션, 아이엔씨. Manufacturing method and coating method of nano structured member
US7771512B2 (en) * 2005-06-24 2010-08-10 Washington State University Research Foundation Apparatus with high surface area nanostructures for hydrogen storage, and methods of storing hydrogen
WO2007059621A1 (en) 2005-11-23 2007-05-31 Pedro Pereira-Almao Ultradispersed catalyst compositions and methods of preparation
EP1976629A1 (en) * 2006-01-23 2008-10-08 Shell Internationale Research Maatschappij B.V. Hydrogenation catalyst and use thereof for hdrogenating fischer-tropsch endproducts
US7348463B2 (en) * 2006-03-27 2008-03-25 Catalytic Distillation Technologies Hydrogenation of aromatic compounds
JP4706857B2 (en) * 2006-05-30 2011-06-22 戸田工業株式会社 Catalyst for removing metal carbonyl, method for producing mixed reformed gas containing hydrogen, method for removing metal carbonyl, fuel cell system
EP2097170A4 (en) * 2006-11-20 2010-04-07 Nanostellar Inc PROCESS FOR PRODUCING HETEROGENEOUS CATALYSTS CONTAINING METAL NANOPARTICLES
DE102007009556A1 (en) * 2007-02-27 2008-10-23 Mtu Cfc Solutions Gmbh Reforming catalyst for molten carbonate fuel cells
US20110053020A1 (en) * 2007-11-09 2011-03-03 Washington State University Research Foundation Catalysts and related methods
US20090023965A1 (en) 2008-05-01 2009-01-22 Intevep, S.A. Dispersed metal sulfide-based catalysts
WO2010004419A2 (en) * 2008-07-11 2010-01-14 The University Of Cape Town A magnetometer
FR2933987B1 (en) * 2008-07-18 2010-08-27 Inst Francais Du Petrole HYDROGENATION PROCESS OF BENZENE
US8124808B2 (en) * 2008-10-06 2012-02-28 Union Carbide Chemicals & Plastics Technology Llc Transalkoxylation of nucleophilic compounds
US8187997B2 (en) * 2008-10-06 2012-05-29 Union Carbide Chemicals & Technology LLC Low metal loaded, catalyst compositions including acidic mixed metal oxide as support
WO2010042159A1 (en) * 2008-10-06 2010-04-15 Union Carbide Chemicals & Plastics Technology Llc Methods of making cyclic, n-amino functional triamines
ES2561362T3 (en) * 2008-10-06 2016-02-25 Union Carbide Chemicals & Plastics Technology Llc Method of manufacturing ethyleneamines
CN102239002B (en) * 2008-10-06 2013-10-30 联合碳化化学品及塑料技术公司 Low metal loaded, alumina supported, catalyst compositions and amination process
EP2346810B1 (en) * 2008-10-06 2015-08-19 Dow Global Technologies LLC Methods for making ethanolamine(s) and ethyleneamine(s) from ethylene oxide and ammonia, and related methods
CN102171178B (en) * 2008-10-06 2015-07-29 联合碳化化学品及塑料技术公司 The Continuance ammine group-transfer of quadrol and other ethyleneamines
CN103182306B (en) * 2011-12-31 2015-02-18 东莞市同舟化工有限公司 Catalyst for preparing monohydric alcohol and dihydric alcohol by hydrogenation of dimethyl substituted 1,3-dioxane, and application
EP3077444B1 (en) 2013-12-02 2018-04-25 Dow Global Technologies LLC Preparation of high molecular weight, branched, acyclic polyalkyleneamines and mixtures thereof
CA2943547A1 (en) * 2015-10-16 2017-04-16 Reliance Industries Limited A catalyst, a process for preparation of the catalyst and application thereof
CN111822023B (en) * 2019-04-19 2023-05-05 中国石油化工股份有限公司 Preparation method of active metal impregnating solution and hydrotreating catalyst
CN112939784B (en) * 2021-02-04 2022-12-02 山西铁峰化工有限公司 Industrial preparation method of hexamethylene diamine

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1997135A (en) * 1932-11-01 1935-04-09 Mahler Edouard Robert Willi De Catalyst and process of preparing same
NL143139B (en) * 1967-04-14 1974-09-16 Stamicarbon PROCESS FOR PREPARING A CARRIER CATALYST BY TREATING A CARRIER WITH A SOLUTION OF A SALT OF A CATALYTIC ACTIVE ELEMENT.
US3536632A (en) * 1967-10-10 1970-10-27 Exxon Research Engineering Co Heterogeneous catalysts
US3535271A (en) * 1968-03-04 1970-10-20 Gen Electric Preparation of nickel-copper catalyst
US3553102A (en) * 1968-11-08 1971-01-05 Mobil Oil Corp Hydrocracking catalyst and method of preparation
US3591656A (en) * 1969-01-24 1971-07-06 Exxon Research Engineering Co Heterogeneous catalyst process
US3692701A (en) * 1970-07-15 1972-09-19 Phillips Petroleum Co Group viii metals on tin-containing supports dehydrogenation catalysts
US3868332A (en) * 1970-10-26 1975-02-25 Exxon Research Engineering Co Massive nickel catalysts
US3840475A (en) * 1971-02-19 1974-10-08 Mobil Oil Corp Bimetallic catalyst preparation

Also Published As

Publication number Publication date
US4142962A (en) 1979-03-06
JPS52142689A (en) 1977-11-28
CA1087598A (en) 1980-10-14
FR2351701B1 (en) 1983-01-14
NL7705511A (en) 1977-11-22
DE2719932A1 (en) 1977-12-01
FR2351701A1 (en) 1977-12-16
GB1578773A (en) 1980-11-12
US4073750A (en) 1978-02-14

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